The degree of a vertex is o the number of edges that connect to a vertex
the temperature of the vertex
O the angle formed by two edges at a vertex

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!